224649684631 has 4 divisors (see below), whose sum is σ = 224650875064. Its totient is φ = 224648494200.

The previous prime is 224649684599. The next prime is 224649684667. The reversal of 224649684631 is 136486946422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 136486946422 = 2 ⋅68243473211.

It is a cyclic number.

It is not a de Polignac number, because 224649684631 - 2⁵ = 224649684599 is a prime.

It is a super-2 number, since 2×224649684631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224649688631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242460 + ... + 712801.

It is an arithmetic number, because the mean of its divisors is an integer number (56162718766).

Almost surely, 2^224649684631 is an apocalyptic number.

224649684631 is a deficient number, since it is larger than the sum of its proper divisors (1190433).

224649684631 is an equidigital number, since it uses as much as digits as its factorization.

224649684631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190432.

The product of its digits is 11943936, while the sum is 55.

The spelling of 224649684631 in words is "two hundred twenty-four billion, six hundred forty-nine million, six hundred eighty-four thousand, six hundred thirty-one".